Marlon Brando as Sky Masterson

Jean Simmons as Sarah Brown

Frank Sinatra as Nathan Detroit

Vivian Blaine as Miss Adelaide

Robert Keith as Lt. Brannigan

Stubby Kaye as Nicely-Nicely Johnson

B.S. Pully as Big Jule

Johnny Silver as Benny Southstreet

Sheldon Leonard as Harry the Horse

Danny Dayton as Rusty Charlie

George E. Stone as Society Max

Regis Toomey as Arvide Abernathy

Kathryn Givney as General Cartwright

Veda Ann Borg as Laverne

Mary Alan Hokanson as Agatha

Joe McTurk as Angie the Ox

Kay E. Kuter as Calvin

Stapleton Kent as Mission Member

Renee Renor as Cuban Singer

Virginia Aldridge as Dancer (uncredited)

Lynette Bernay as Dancer (uncredited)

George Boyce as Barber (uncredited)

Barbara Brent as Goldwyn Girl (uncredited)

Jimmy Brooks as Dancer (uncredited)

Steve Carruthers as Waiter (uncredited)

Beth Carter as Goldwyn Girl (uncredited)

Gordon Carveth as Pedestrian (uncredited)

Jack Chefe as Waiter at Mindy's (uncredited)

Noble 'Kid' Chissell as Gangster (uncredited)

Fred Curt as Dancer (uncredited)

Russell Custer as Police Officer (uncredited)

Jann Darlyn as Goldwyn Girl (uncredited)

Madelyn Darrow as Goldwyn Girl (uncredited)

Sayre Dearing as Tough (uncredited)

Larry Duran as Dancer (uncredited)

Billy Engle as Vendor (uncredited)

Joe Evans as Barber (uncredited)

Franklyn Farnum as Spectator at Hot Box Club (uncredited)

Adolph Faylauer as Tourist with Camera (uncredited)

Bess Flowers as Spectator at Hot Box Club (uncredited)

Charles Fogel as Spectator at Hot Box Club (uncredited)

Rubén de Fuentes as Orchestra Leader (uncredited)

Tony Galento as Spectator at Hot Box Club (uncredited)

Rudy Germane as Police Officer (uncredited)

Ricky Gonzales as Dancer (uncredited)

Joe Gray as Spectator at Hot Box Club (uncredited)

Robert Haines as Waiter (uncredited)

Stuart Hall as Customer at Mindy's (uncredited)

Betty Jean Hansen as Dancer (uncredited)

Sam Harris as Spectator at Hot Box Club (uncredited)

Earle Hodgins as Pitchman (uncredited)

John Indrisano as Liverlips Louie (uncredited)

Donald Kerr as Barber (uncredited)

Carey Leverette as Dancer (uncredited)

Maurice Marks as Tall Gambler (uncredited)

Thomas Martin as Waiter (uncredited)

Matt Mattox as Dancer (uncredited)

Bert May as Dancer (uncredited)

Harold Miller as Customer at Mindy's (uncredited)

Charles Morton as Bartender (uncredited)

Matt Murphy as The Champ (uncredited)

Jerry Orbach as Barbershop Patron (uncredited)

Troy Patterson as Man (uncredited)

Jack Perry as Gambler (uncredited)

Foster H. Phinney as Card Player at Barbershop (uncredited)

Joe Ploski as Barber (uncredited)

Frank Radcliffe as Card Player at Barbershop (uncredited)

Paul Rees as Dancer (uncredited)

Frank Richards as Man with Packages (uncredited)

Julian Rivero as Cuban Waiter (uncredited)

Edwin Rochelle as Gangster at Mission (uncredited)

Tony Rosa as Man With a Poodle (uncredited)

John Roy as Police Officer (uncredited)

Jeffrey Sayre as Diner at Mindy's (uncredited)

Bernard Sell as Wedding Guest (uncredited)

Pat Sheehan as Goldwyn Girl (uncredited)

Leslie Sketchley as Restaurant Patron (uncredited)

Buddy Spencer as Dancer (uncredited)

Norman Stevans as Customer at Mindy's (uncredited)

Brick Sullivan as Truck Driver on Street (uncredited)

Larri Thomas as Goldwyn Girl (uncredited)

Al Thompson as Drunk (uncredited)

Harry Tyler as Max (Waiter at Mindy's) (uncredited)

Sandra Warner as Twin Goldwyn Girl (uncredited)

Sonia Warner as Twin Goldwyn Girl (uncredited)

Harry Wilson as Barbershop Patron (uncredited)